Issued Patents All Time
Showing 25 most recent of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421407 | Aqueous ink, ink cartridge and ink jet recording method | Yoshiyuki Kaneko, Yoshihisa Yamashita, Junichi Sakai, Shoichi Takeda, Hideki Yamakami | 2025-09-23 |
| 11104820 | Ink jet recording method | Shigemoto Abe, Sayoko Nagashima, Yoshihide Aikawa | 2021-08-31 |
| 11001080 | Ink jet recording method of ejecting an aqueous ink having a certain dynamic surface tension | Shigemoto Abe, Sayoko Nagashima | 2021-05-11 |
| 10259964 | Aqueous ink, ink cartridge and ink jet recording method | Sayoko Nagashima, Shigemoto Abe | 2019-04-16 |
| 10232617 | Ink jet recording method, recording head, and ink jet recording apparatus | Shingo Okushima, Yoshiyuki Nakagawa | 2019-03-19 |
| 9889673 | Liquid discharge apparatus and liquid discharge head | Yoshiyuki Nakagawa, Shuzo Iwanaga, Shingo Okushima, Shin-ichi Hakamada | 2018-02-13 |
| 9534127 | Aqueous ink, ink cartridge and ink jet recording method | Taiki Watanabe, Ryuji Higashi, Koichi Suzuki | 2017-01-03 |
| 9371461 | Ink, ink cartridge and ink jet recording method | Arihiro Saito, Kenji Moribe | 2016-06-21 |
| 9180680 | Water-based ink, ink jet recording method, ink cartridge, recording unit, ink jet recording apparatus, and image forming method | Katsuhiko Takahashi, Masashi Ogasawara, Tomonari Watanabe, Yui Kitamura | 2015-11-10 |
| 8899736 | Water-based ink, ink jet recording method, ink cartridge, recording unit, ink jet recording apparatus, and image forming method | Katsuhiko Takahashi, Masashi Ogasawara, Tomonari Watanabe, Yui Kitamura | 2014-12-02 |
| 8857967 | Set of ink and reaction liquid, and image forming method | Arihiro Saito, Kenji Moribe | 2014-10-14 |
| 8672465 | Water-based ink, ink jet recording method, ink cartridge, recording unit, ink jet apparatus, and image forming method | Katsuhiko Takahashi, Masashi Ogasawara, Tomonari Watanabe, Yui Tokuda | 2014-03-18 |
| 8393726 | Set of reaction liquid and ink, and image forming method | Kenji Moribe, Yasuhito Mori, Junichi Sakai | 2013-03-12 |
| 8163817 | Aqueous ink, ink set, image forming method and image forming apparatus | Yuuki Nishino, Hiroyuki Takuhara, Daiji Okamura, Kenji Moribe, Satoshi Kudo | 2012-04-24 |
| 8157349 | Method of cleaning head and inkjet recording apparatus | Nobuyuki Matsumoto, Noribumi Koitabashi | 2012-04-17 |
| 8136909 | Ink jet printing apparatus and ink processing method for same | Masashi Ogasawara | 2012-03-20 |
| 8016932 | Aqueous ink, ink set, image forming method and image forming apparatus | Daiji Okamura, Hiroyuki Takuhara, Yuuki Nishino, Kenji Moribe, Satoshi Kudo | 2011-09-13 |
| 8016406 | Aqueous ink, aqueous ink set, ink cartridge, ink-jet recording apparatus, ink-jet recording method, and image-forming method | Shinichi Hakamada, Takashi Imai, Yasuhiro Nito, Tetsu Iwata, Sadayuki Sugama | 2011-09-13 |
| 8007097 | Water-based ink, ink jet recording method, ink cartridge, recording unit, ink jet recording apparatus, and image forming method | Katsuhiko Takahashi, Masashi Ogasawara, Tomonari Watanabe, Yui Tokuda | 2011-08-30 |
| 7988277 | Ink set, ink jet recording method, ink cartridge, recording unit, ink jet recording method, and aqueous ink | Kenji Moribe, Satoshi Kudo, Hideki Yamakami | 2011-08-02 |
| 7976146 | Ink jet recording ink tank | Kenji Moribe, Satomi Yanagimachi, Kouhei Nakagawa, Yasuhito Mori | 2011-07-12 |
| 7862653 | Aqueous ink, ink jet recording method, ink cartridge, recording unit and ink jet recording apparatus | Kenji Moribe | 2011-01-04 |
| 7846247 | Ink set for ink jet recording and ink jet recording method | Michinari Mizutani | 2010-12-07 |
| 7814918 | Apparatus for cleaning inkjet head and cleaning method thereof | Souichi Nagai, Nobuyuki Matsumoto, Noribumi Koitabashi | 2010-10-19 |
| 7753515 | Ink set, ink jet recording method, ink cartridge, recording unit, ink-jet recording apparatus, and image formation method | Yui Tokuda, Tomonari Watanabe, Masashi Ogasawara | 2010-07-13 |